Is Suginami hot in July?
Days are typically warm at 28.8°C, while nights average 20.6°C.
Japan · 1991–2020 normal
Typical July weather in Suginami: 28.8°C by day, 20.6°C at night, 176 mm of rain over 13.7 wet days. These are measured 1991–2020 station normals, not a forecast.
In the year-round weather comparison, July scores 45 out of 100 (June leads the year at 69). Daylight is calculated as 14 h 24 from latitude 36.20°. Open-water sea temperature is 21.7°C (32 km from the place centre).
July at a glance
Plain answers from the measured climate record—not a forecast or a promise about a particular trip.
Days are typically warm at 28.8°C, while nights average 20.6°C.
The measured monthly average is 176 mm across about 14 wet days.
There are about 14 h 24 between sunrise and sunset at mid-month, calculated from the place latitude.
July ranks 7 of 12 in our weather comparison; June ranks first.
Event window
The nearest open-water NOAA OISST 1991–2020 cell averages 21.7°C in July. A sheltered bay can run warmer than that open-water cell.
The evidence behind this page
Next step
The weather comparison for Suginami is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.
How travel partnerships will work